So(32) Spinors of Type I and Other Solitons on Brane-antibrane Pair

Abstract

We construct the SO(32) spinor state in weakly coupled type I string theory as a kink solution of the tachyon field on the D-string − anti-D-string pair and calculate its mass. We also give a description of this system in terms of an exact boundary conformal field theory and show that in this description this state can be regarded as a non-supersymmetric D0-brane in type I string theory. This construction can be generalised to represent the D0-brane in type IIA string theory as a vortex solution of the tachyon field on the membrane anti-membrane pair, and the D-string of type I string theory as a topological soliton of the tachyon field on the D5-brane antiD5-brane pair. E-mail: sen@mri.ernet.in

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@inproceedings{Sen1998So32SO, title={So(32) Spinors of Type I and Other Solitons on Brane-antibrane Pair}, author={Ashoke Sen}, year={1998} }